A Car Logo Design-Inspired CPW-Fed Semitransparent Antenna for Vehicular Applications

Table 3

Comparison of the proposed MIMO antenna with the previously reported antennas.

Ref	MIMO size (in terms of λ0)	Substrate/Height (mm)	Operating frequency (GHz)	ECC	TARC (dB)	CCL (bits/s/Hz)	Transparency	Polarization	Design technique	Design complexity
[37]	0.2 × 0.2	FR-4/1.6	1.41–1.62, 2.4–2.462, 3.1–12.8	<0.4	<−10	<0.4	No	Dual	Stub, slot, DGS, and patch loading	High
[38]	0.372 × 0.112	Taconic/0.5	2.8–9.5	<0.4	—	—	No	Vertical	Sectoral slot and interlock	Moderate
[39]	0.245 × 0.261	Rogers RO4003C/0.2	2.45	<0.2	—	—	No	Vertical	Sectoral slot and circular slot	Moderate
[40]	0.672 × 0.672	FR-4/0.8	2.8–13.3	<0.05	—	—	No	Dual	Partial ground, CSRR, and rhombic radiator	Low
[41]	0.39 × 0.39	FR-4/1.6	3.72–3.82, 4.65–4.76, 6.16–6.46	<0.1	<−10	<0.8	No	Vertical	Rectangular monopole, slot, and full ground plane	Low
This work	0.636 × 0.636	Soda lime glass/1.1	3.4–11	<0.01	<−10	<0.07	Semitransparent	Dual	Circular ring and rectangular patch loading	Low